Finding the Fourth Proportional to 5,843.98, 8,064.72 and 3,191.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,843.98 : 8,064.72 = 3,191.40 : x
2. Step 2: Convert to fraction form
   5,843.98/8,064.72 = 3,191.40/x
3. Step 3: Cross multiply
   5,843.98x = 8,064.72 × 3,191.40
4. Step 4: Simplify right side
   5,843.98x = 25,737,747.41
5. Step 5: Solve for x
   x = 25,737,747.41/5,843.98
6. Step 6: Final answer
   x = 4,404.15